president obama is there to help this community deal with the tragedy. >> here in newtown, i come to offer the love and prayers of the nation. i am very mindful that mere words cannot match the depths of your sorrow. >> reporter: this tight-knit community came together to remember the 20 first graders and six adults gunned down at sandy hook elementary school on friday. >> we ask god to grant those lost a special place in paradise, and we ask their families to be granted the strength to endure the unendurable. >> reporter: as people here in newtown gravy, investigators say they have the best of the best working to gather evidence so they can determine a motive for friday's shooting. >> we have to have the whole picture before we can say hopefully how and c this occurred. that's not going to come very quickly. >> reporter: police say the gunman, adam lanza, shot his mother in the head as she laid in bed, then drove to the school. investigators say the 20-year- old had hundreds of unused bullets on him and used a high- powered rifle to it shoot all the victims in one hallway and two cl